adj.有三部分的；三倍的

v.（使）成三倍

n.三个一组；三倍之数；（垒）三垒打

The plan has a triple purpose. 该计划有三个目的。

I want a triple room with mountain view. 我想要一间向山的三人房。

Its population is about triple that of Venice. 它的人口大约是威尼斯的三倍。

The price is triple of what it's actually worth. 这个价格是它实际价值的三倍。

Output should triple by next year. 到明年产量应增至三倍。

Twelve is the triple of four. 十二是四的三倍数。

John hit his triple and plated two runs. 约翰完成他的三垒打，并得了两分。